/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package edu.chl.hajo.sshop;

import edu.chl.hajo.shop.core.Product;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
//import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Joel
 */
@WebServlet(name = "ProductServlet", urlPatterns = {"/products/*"})
public class ProductServlet extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        // request.getSession().setAttribute(Keys.PRODUCT_LIST.toString(),);

        String view = request.getParameter("view");
        HttpSession s = request.getSession();
        ContainerNavigator<Product> n = (ContainerNavigator) s.getAttribute(Keys.PRODUCT_LIST.toString());
        if (view != null) {
            if (view.equals("next")) {
                n.next();
            }
            if (view.equals("previous")) {
                n.previous();
            }
            if (view.equals("edit")) {

                Long id = Long.parseLong(request.getParameter("id"));
                s.setAttribute("EDITPRODUCT", Shop.INSTANCE.getProductCatalogue().find(id));
                request.getRequestDispatcher("/WEB-INF/jsp/products/editProduct.jspx").forward(request, response);
                return;

            }
            if (view.equals("add")) {
                request.getRequestDispatcher("/WEB-INF/jsp/products/addProduct.jspx").forward(request, response);
                return;
            }
        }
        request.getRequestDispatcher("/WEB-INF/jsp/products/products.jspx").forward(request, response);


    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {


        try {
            String action = request.getParameter("action");

            if (action.equals("add")) {

                String name = request.getParameter("name");

                double price = Double.parseDouble(request.getParameter("price"));
                
                Logger.getAnonymousLogger().log(Level.INFO, name + price);
                Shop.INSTANCE.getProductCatalogue().add(new Product(name, price));
            }
            if (action.equals("update")) {

                     

                String name = request.getParameter("name");
                String idString = request.getParameter("id");
                Logger.getAnonymousLogger().log(Level.INFO, idString+" !!!");
                long id = Long.parseLong(request.getParameter("id"));
                double price = Double.parseDouble(request.getParameter("price"));
                Logger.getAnonymousLogger().log(Level.INFO, name + price + "update");
                
                Shop.INSTANCE.getProductCatalogue().update(new Product(id, name, price));

            }


        } catch (Exception e) {
            
            Logger.getAnonymousLogger().log(Level.INFO, "error!");
           
        }


        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
